13536009 has 12 divisors (see below), whose sum is σ = 19674096. Its totient is φ = 8967672.

The previous prime is 13536007. The next prime is 13536031. The reversal of 13536009 is 90063531.

13536009 is a `hidden beast` number, since 1 + 3 + 53 + 600 + 9 = 666.

It is not a de Polignac number, because 13536009 - 2¹ = 13536007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13536001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3147 + ... + 6080.

It is an arithmetic number, because the mean of its divisors is an integer number (1639508).

Almost surely, 2^13536009 is an apocalyptic number.

It is an amenable number.

13536009 is a deficient number, since it is larger than the sum of its proper divisors (6138087).

13536009 is a wasteful number, since it uses less digits than its factorization.

13536009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396 (or 9393 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13536009 is about 3679.1315551363. The cubic root of 13536009 is about 238.3216762301.

The spelling of 13536009 in words is "thirteen million, five hundred thirty-six thousand, nine".